added cpp version, sh version as backup

.gitignore

@@ -0,0 +1,2 @@
+CLAUDE.md
+sfm

Makefile

@@ -5,29 +5,42 @@ BINDIR   ?= $(PREFIX)/bin
 MANDIR   ?= $(PREFIX)/share/man/man1
 DOCDIR   ?= $(PREFIX)/share/doc/sfm
 
+CXX      ?= g++
+CXXFLAGS ?= -std=c++17 -O2 -Wall -Wextra
+LDFLAGS  ?= -lncursesw
+
 INSTALL  ?= install
 RM       ?= rm -f
 
 .PHONY: all install uninstall clean
 
-all:
+all: sfm
-	@echo "sfm is a shell script — nothing to build."
-	@echo "Run 'make install' to install."
 
-install:
+sfm: sfm.cpp
-	@echo "Installing sfm to $(BINDIR)/sfm ..."
+	$(CXX) $(CXXFLAGS) -o $@ $< $(LDFLAGS)
+
+install: all
+	@echo "Installing sfm to $(DESTDIR)$(BINDIR)/sfm ..."
 	$(INSTALL) -d $(DESTDIR)$(BINDIR)
 	$(INSTALL) -m 755 sfm $(DESTDIR)$(BINDIR)/sfm
-	@echo "Installing README to $(DOCDIR) ..."
+	@echo "Installing sfm.sh to $(DESTDIR)$(BINDIR)/sfm.sh ..."
+	$(INSTALL) -m 755 sfm.sh $(DESTDIR)$(BINDIR)/sfm.sh
+	@echo "Installing man page to $(DESTDIR)$(MANDIR)/sfm.1 ..."
+	$(INSTALL) -d $(DESTDIR)$(MANDIR)
+	$(INSTALL) -m 644 sfm.1 $(DESTDIR)$(MANDIR)/sfm.1
+	@echo "Installing README to $(DESTDIR)$(DOCDIR)/README ..."
 	$(INSTALL) -d $(DESTDIR)$(DOCDIR)
-	$(INSTALL) -m 644 README.txt $(DESTDIR)$(DOCDIR)/README.txt
+	$(INSTALL) -m 644 README $(DESTDIR)$(DOCDIR)/README
-	@echo "Done. Run 'sfm' to start."
+	@echo "Done."
 
 uninstall:
 	@echo "Removing sfm ..."
 	$(RM) $(DESTDIR)$(BINDIR)/sfm
+	$(RM) $(DESTDIR)$(BINDIR)/sfm.sh
+	$(RM) $(DESTDIR)$(MANDIR)/sfm.1
 	$(RM) -r $(DESTDIR)$(DOCDIR)
 	@echo "Done."
 
 clean:
-	@echo "Nothing to clean."
+	$(RM) sfm
+	@echo "Cleaned."

README

@@ -4,16 +4,23 @@ sfm - Simple File Manager
  
 DESCRIPTION
 -----------
-sfm is a lightweight, terminal-based file manager written entirely in
+sfm is a lightweight, terminal-based file manager with a vim-inspired
-POSIX sh. It runs in your terminal with no external dependencies beyond
+key layout. The primary version is a fast C++/ncurses binary. A portable
-standard Unix tools (ls, awk, tput, stty, mv, cp, rm). Designed to be
+POSIX sh version (sfm.sh) is also included, requiring only standard Unix
-fast, flicker-free, and keyboard-driven with a vim-inspired key layout.
+tools (ls, awk, tput, stty, mv, cp, rm).
  
  
 REQUIREMENTS
 ------------
+C++ version (sfm):
+- ncursesw (libncursesw)
+- A C++17 compiler (g++ or compatible)
+
+Shell version (sfm.sh):
 - A POSIX-compatible shell (sh, dash, bash, etc.)
 - Standard Unix tools: ls, awk, tput, stty, cp, mv, rm, mkdir, touch
+
+Both versions:
 - Optional: wl-copy / xclip / xsel / pbcopy  (for clipboard support)
 - Optional: mpv, vlc, feh, zathura, etc.     (for smart file opening)
 - Optional: readlink                         (for symlink display)
@@ -26,7 +33,9 @@ Using make (recommended):
 
    make install
 
-This installs sfm to /usr/local/bin by default. To change the prefix:
+This builds the C++ binary and installs both sfm (C++ binary)
+and sfm.sh (shell script) to /usr/local/bin by default.
+To change the prefix:
 
    make install PREFIX=/usr
 
@@ -34,10 +43,10 @@ To uninstall:
 
    make uninstall
 
-Manual installation:
+Manual installation (shell version only):
 
-   cp sfm /usr/local/bin/sfm
+   cp sfm.sh /usr/local/bin/sfm.sh
-   chmod +x /usr/local/bin/sfm
+   chmod +x /usr/local/bin/sfm.sh
  
  
 USAGE
@@ -87,11 +96,34 @@ Press P to toggle the preview pane on the right side of the screen.
 The list pane takes the left half, preview takes the right half.
  
   Text files      Shows file contents line by line
-  Directories     Shows entry count
+  Directories     Shows directory contents
   Symlinks        Shows link target
   Binary files    Shows file size
  
  
+CUSTOM OPENER
+-------------
+sfm checks for a user-defined opener script at:
+ 
+  ~/.config/sfm/opener
+ 
+If the file exists and is executable, sfm passes the selected file
+path to it instead of using the built-in smart opener. Example:
+ 
+  #!/bin/sh
+  case "$1" in
+      *.jpg|*.jpeg) imv "$1" ;;
+      *.mp4)        mpv "$1" ;;
+      *.html|*.pdf) firefox "$1" ;;
+      *)            echo "no program set for this file type" ;;
+  esac
+ 
+Make it executable: chmod +x ~/.config/sfm/opener
+ 
+If the opener script does not exist, sfm falls back to its built-in
+smart opener automatically.
+ 
+ 
 FILE OPERATIONS
 ---------------
   r       Rename selected entry
@@ -182,4 +214,6 @@ it back to the desired location.
 DATA FILES
 ----------
   ~/.config/sfm/bookmarks     Saved bookmarks (one path per line)
+  ~/.config/sfm/opener        Custom file opener script (optional)
   ~/.local/share/sfm-trash/   Trashed files
+ 

sfm.1

@@ -0,0 +1,376 @@
+.TH SFM 1 "2026-03-16" "0.4" "Simple File Manager"
+
+.SH NAME
+sfm \- Simple File Manager
+
+.SH SYNOPSIS
+.B sfm
+.RI [ path ]
+
+.SH DESCRIPTION
+.B sfm
+is a lightweight, terminal-based file manager written entirely in POSIX sh.
+It runs in your terminal with no external dependencies beyond standard Unix
+tools. Designed to be fast, flicker-free, and keyboard-driven with a
+vim-inspired key layout.
+
+If
+.I path
+is given, sfm opens that directory. Otherwise it opens in the current
+working directory.
+
+.SH KEY BINDINGS
+
+.SS Navigation
+.TP
+.BR j ", " k " or " "up/down arrows"
+Move cursor up or down.
+.TP
+.BR h " or " "left arrow"
+Go to parent directory.
+.TP
+.BR l ", " "right arrow" ", or " enter
+Open selected file or enter directory.
+.TP
+.B g
+Jump to top of list.
+.TP
+.B G
+Jump to bottom of list.
+.TP
+.B ~
+Go to home directory.
+.TP
+.B \`
+Jump to previous directory (toggle).
+.TP
+.B :
+Prompt for a path to jump to directly. Supports
+.B ~
+expansion. Shows an error if the path does not exist. Press esc to cancel.
+.TP
+.B f
+Find files recursively under the current directory. Opens an interactive
+picker. Press j/k or arrows to navigate results, enter or l to jump to the
+selected result, esc/q/h to close.
+
+.SS Search and Filter
+.TP
+.B /
+Enter search mode. The listing is filtered as you type.
+.TP
+.B esc
+Clear filter and exit search mode.
+.TP
+.B enter
+Exit search mode while keeping the current filter active.
+
+.SS Display Toggles
+.TP
+.B .
+Toggle hidden files (dotfiles). Hidden entries appear before regular
+entries (hidden dirs, then regular dirs, then hidden files, then
+regular files).
+.TP
+.B T
+Toggle size/date detail column.
+.TP
+.B P
+Toggle preview pane on the right side.
+.TP
+.B s
+Cycle sort mode: name \-> size \-> date.
+.TP
+.B i
+Show file info (permissions, size, date) in the status bar.
+.TP
+.B R
+Refresh the current directory listing.
+
+.SS File Operations
+.TP
+.B r
+Rename selected entry. Press esc to cancel.
+.TP
+.B m
+Create a new directory. Press esc to cancel.
+.TP
+.B n
+Create a new empty file. Press esc to cancel.
+.TP
+.B d " or " del
+Delete selected entry or all multi-selected entries.
+Non-empty directories require a second confirmation.
+.TP
+.B u
+Move selected entry to trash (safe delete).
+.TP
+.B U
+Open the trash directory.
+.TP
+.B o
+Open selected file with a custom program. Press esc to cancel.
+.TP
+.B +
+Make the selected file executable
+.RB ( "chmod +x" ).
+.TP
+.B \-
+Remove execute permission from the selected file
+.RB ( "chmod -x" ).
+
+.SS Clipboard
+.TP
+.B y
+Yank (copy) selected entry or all multi-selected entries.
+.TP
+.B x
+Cut selected entry or all multi-selected entries.
+.TP
+.B p
+Paste clipboard contents into the current directory.
+Auto-renames on conflict by appending
+.IR _copy .
+.TP
+.B c
+Copy the full path of the selected entry to the system clipboard.
+Requires
+.BR wl-copy ", " xclip ", " xsel ", or " pbcopy .
+
+.SS Multi-Select
+.TP
+.B space
+Toggle multi-select on the current entry (cursor advances).
+.TP
+.B a
+Select all entries / deselect all.
+.PP
+Multi-select works with
+.BR y ", " x ", and " d .
+
+.SS Bookmarks
+.TP
+.B b
+Bookmark the current directory. Press again to remove it.
+.TP
+.B B
+Open the bookmark picker.
+Use j/k to navigate, enter to jump, esc to close.
+
+.SS Other
+.TP
+.B !
+Drop into
+.B $SHELL
+in the current directory. Type
+.I exit
+to return to sfm. The working directory is updated if you cd elsewhere
+in the shell.
+.TP
+.B ?
+Show the keyboard shortcuts help overlay.
+.TP
+.B q
+Quit sfm.
+
+.SH PREVIEW PANE
+When the preview pane is enabled with
+.BR P ,
+the terminal is split into a left pane (file list) and a right pane
+(preview). The preview shows:
+.IP \(bu 2
+.B Text files \-
+file contents displayed line by line.
+.IP \(bu 2
+.B Directories \-
+directory contents (subdirectories first, then files).
+.IP \(bu 2
+.B Symlinks \-
+the link target path.
+.IP \(bu 2
+.B Binary files \-
+file size.
+
+.SH CUSTOM OPENER
+.B sfm
+checks for a user-defined opener script at:
+.PP
+.I ~/.config/sfm/opener
+.PP
+If the file exists and is executable, sfm passes the selected file path
+to it as the first argument instead of using the built-in smart opener.
+.PP
+Example opener script:
+.PP
+.nf
+#!/bin/sh
+case "$1" in
+    *.jpg|*.jpeg) imv "$1" ;;
+    *.mp4)        mpv "$1" ;;
+    *.html|*.pdf) firefox "$1" ;;
+    *)            echo "no program set for this file type" ;;
+esac
+.fi
+.PP
+Make it executable with:
+.B chmod +x ~/.config/sfm/opener
+.PP
+If the opener script does not exist, sfm falls back to its built-in
+smart opener which detects file types by extension and MIME type.
+
+.SH SMART FILE OPENER
+When no custom opener is configured, sfm opens files using the first
+available program for each file type:
+.TP
+.B Text / code
+$EDITOR or vi.
+.TP
+.B Images
+imv, feh, sxiv, eog, gimp.
+.TP
+.B Video
+mpv, vlc, mplayer, totem.
+.TP
+.B Audio
+mpv, vlc, cmus, mocp.
+.TP
+.B PDF
+zathura, evince, okular, mupdf.
+.TP
+.B Office documents
+libreoffice.
+.TP
+.B Archives
+atool or bsdtar (lists contents in pager).
+.PP
+Falls back to xdg-open, open (macOS), or $EDITOR.
+
+.SH FILE COLOURS
+.TP
+.B Green bold
+Directories.
+.TP
+.B Red bold
+Executables and broken symlinks.
+.TP
+.B Magenta
+Images.
+.TP
+.B Magenta bold
+Video files and valid symlinks.
+.TP
+.B Cyan bold
+Audio files.
+.TP
+.B Red
+Archives (zip, tar, gz, etc.).
+.TP
+.B Yellow
+Documents (pdf, docx, etc.).
+.TP
+.B Green
+Code and scripts (py, sh, rs, etc.).
+.TP
+.B Cyan
+Config and data files (json, yaml, etc.).
+.TP
+.B White
+Text, markdown, and all other files.
+
+.SH STATUS BAR INDICATORS
+.TP
+.B [hidden]
+Hidden (dot) files are currently visible.
+.TP
+.B [sort:size] or [sort:date]
+Active sort mode. Not shown when sorting by name (default).
+.TP
+.B [copy] or [cut]
+A file is stored in the clipboard.
+.TP
+.B [sel:N]
+N items are currently multi-selected.
+.TP
+.B [details]
+Size/date detail column is visible.
+
+.SH TRASH
+Files deleted with
+.B u
+are moved to:
+.PP
+.I ~/.local/share/sfm-trash/
+.PP
+Files are prefixed with a timestamp in the format
+.IR YYYYMMDD_HHMMSS_filename .
+Use
+.B U
+to browse the trash directory. To restore a file, rename it with
+.B r
+to remove the timestamp prefix, then cut with
+.B x
+and paste with
+.B p
+to the desired location.
+
+.SH FILES
+.TP
+.I ~/.config/sfm/bookmarks
+Saved bookmarks, one directory path per line.
+.TP
+.I ~/.config/sfm/opener
+Custom file opener script (optional, must be executable).
+.TP
+.I ~/.local/share/sfm-trash/
+Directory where trashed files are stored.
+
+.SH ENVIRONMENT
+.TP
+.B EDITOR
+Editor used to open text files when no custom opener is set.
+.TP
+.B SHELL
+Shell used when dropping to the terminal with
+.BR ! .
+.TP
+.B PAGER
+Pager used when listing archive contents.
+.TP
+.B XDG_CONFIG_HOME
+Base directory for sfm config files. Defaults to
+.IR ~/.config .
+.TP
+.B XDG_DATA_HOME
+Base directory for sfm data files (trash). Defaults to
+.IR ~/.local/share .
+
+.SH EXAMPLES
+Open sfm in the current directory:
+.PP
+.nf
+sfm
+.fi
+.PP
+Open sfm at a specific path:
+.PP
+.nf
+sfm /mnt/data
+.fi
+.PP
+Use sfm as a cd wrapper (add to shell rc):
+.PP
+.nf
+s() { cd "$(sfm)"; }
+.fi
+
+.SH AUTHORS
+Emmett1 <me@emmett1.my> with help of AI.
+
+.SH SEE ALSO
+.BR find (1),
+.BR ls (1),
+.BR mv (1),
+.BR cp (1),
+.BR rm (1),
+.BR chmod (1),
+.BR vi (1)